Hi Bill,
In the script of the "Cancel" button, you will find:
on mouseUp
set the uCancelMessage of this stack to true
end mouseUp
And in the ShowInfo handler (card's script) the first case in the
switch structure:
on ShowInfo pUrl,pFldName
local tStatus,tResult
-----
put URLStatus(pUrl) into tStatus
switch
case the uCancelMessage of this stack -- means the uCancelMessage
of this stack = true
set the thumbPos of sb "Progress" to 0
put "Download canceled" into fld pFldName
disable btn "Cancel"
unload url pUrl -- cleanup: the user canceled then you clear the
cache
exit to top
etc.
When the user click on the "Cancel" button, the uCancelMessage custom
prop is set to true.
As the ShowInfo handler is executed each 10 milliseconds, it triggers
the new custom prop status and cancel the download, unload the url.
But you are right: the cancel process is not well explained.
I'll revise it :-)
Best Regards from Paris,
Eric Chatonet.
Le 3 déc. 05 à 09:38, Bill Marriott a écrit :
Actually, I did download and go through your stack...
...and went through it again after your post below...
...but for the life of me I can't find a section documenting how to
cancel a
download initiated with "load URL."
There is a Cancel button in your sample that looks like it does the
job --
at least it kills the progress bar and reports "Canceled" -- but
that button
is cleverly protected from inspection. At least, simply clicking
the Edit
pointer isn't sufficient to probe the mysteries of your stack ;)
My own guess was to use "unload url" command, but I found that even
after
using this, the download kept running cheerfully along in the
background.
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